HA

Hiroshi Akema

JS Jsr: 13 patents #53 of 1,137Top 5%
TC Tohoku Ricoh Co.: 2 patents #69 of 204Top 35%
Bridgestone: 1 patents #1,586 of 2,860Top 60%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #300,291 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8186665 Locking device of paper feed tray and image forming apparatus 2012-05-29
7537028 Device for fluid processor and its fluid flow path setting device, fluid processor, and fluid processing method Tsuyoshi Yamakoshi 2009-05-26
6977286 Crosslinked rubber particles and rubber compositions Tomohisa Konno, Toshihiro Tadaki, Yoshiyuki Udagawa 2005-12-20
6838526 Modified conjugated diene polymer and method of producing the same and rubber composition Takuo Sone, Ryouji Tanaka, Kouichirou Tani, Iwakazu Hattori, Atsushi Nakayama 2005-01-04
6747095 Crosslinked rubber particles and rubber compositions Tomohisa Konno, Toshihiro Tadaki, Yoshiyuki Udagawa 2004-06-08
6740700 Rubber compositions and methods for producing the same Naokazu Kobayashi, Toshihiro Tadaki 2004-05-25
6699935 Rubber composition Toshihiro Tadaki, Yoshiyuki Udagawa, Tomohisa Konno, Takafumi Fueki, Hajime Kondou 2004-03-02
6653404 Rubber compositions Tomohisa Konno, Toshihiro Tadaki, Yoshiyuki Udagawa 2003-11-25
6603946 Image forming apparatus for synthetic resin sheets Haruki Morikawa, Masamune Koyanagi, Noboru Onodera 2003-08-05
6559219 Rubber compositions Toshihiro Tadaki, Tomohisa Konno, Yoshiyuki Udagawa 2003-05-06
6556803 Image forming apparatus for synthetic resin sheets Noboru Onodera, Haruki Morikawa 2003-04-29
6518350 Rubber composition and tire Naokazu Kobayashi, Toshihiro Tadaki, Syuji Nishibata 2003-02-11
6362272 Oil extended rubber and rubber composition Toshihiro Tadaki, Naokazu Kobayashi 2002-03-26
6344518 Conjugated diolefin copolymer rubber and rubber composition Naokazu Kobayashi, Toshihiro Tadaki 2002-02-05
6191234 Conjugated diolefin-based copolymer rubber and composition thereof Toshihiro Tadaki, Tamotsu Nagaoka, Iwakazu Hattori 2001-02-20
6127472 Rubber composition Naokazu Kobayashi, Toshihiro Tadaki, Fumio Tsutsumi 2000-10-03